What is a key step when performing a 12x12 roof cut?

When performing a 12x12 roof cut, sounding the roof is a key step because it is essential to assess the structural integrity and safety of the area before making any cuts. This involves using a tool or even your foot to tap on the roof surface to check for any signs of weakness, like sponginess or hollow sounds, which could indicate unsafe conditions such as rot or voids beneath the roofing material. This preliminary assessment helps to ensure the safety of the crew and allows for better decision-making about where to cut.

The other choices may not be as critical in ensuring a safe and effective roof cut. Starting on the left side does not directly relate to the safety or effectiveness of the operation. Using a smaller saw might not be necessary if the situation allows for a larger, more efficient cutting tool. Skipping the placement of hooks could lead to a lack of necessary control and management of the cut and may compromise safety and effectiveness. Thus, sounding the roof before cutting is a foundational safety practice.